Phineas and Ferb

Phineas and Ferb is a series about two young stepbrothers who turn their dreams into reality every day. Their teenage sister is jealous and tries to get them in trouble, but the evidence always seem to disappear before their mom sees it. Meanwhile, an evil but weird scientist, Dr. Doofenshmirtz seeks to wreak havoc in the Tri-State Area and only the two kids' pet platypus Perry, a.k.a. Agent P, can stop him.